DE69429197T2 - Process for decolorization of alkylene amines - Google Patents

Process for decolorization of alkylene amines

Info

Publication number
DE69429197T2
DE69429197T2 DE69429197T DE69429197T DE69429197T2 DE 69429197 T2 DE69429197 T2 DE 69429197T2 DE 69429197 T DE69429197 T DE 69429197T DE 69429197 T DE69429197 T DE 69429197T DE 69429197 T2 DE69429197 T2 DE 69429197T2
Authority
DE
Germany
Prior art keywords
decolorization
alkylene amines
alkylene
amines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69429197T
Other languages
German (de)
Other versions
DE69429197D1 (en
Inventor
Charles Arnold Gibson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of DE69429197D1 publication Critical patent/DE69429197D1/en
Application granted granted Critical
Publication of DE69429197T2 publication Critical patent/DE69429197T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
DE69429197T 1993-06-28 1994-02-22 Process for decolorization of alkylene amines Expired - Fee Related DE69429197T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/083,663 US5331102A (en) 1993-06-28 1993-06-28 Method for decolorization of alkanolamines and alkyleneamines

Publications (2)

Publication Number Publication Date
DE69429197D1 DE69429197D1 (en) 2002-01-03
DE69429197T2 true DE69429197T2 (en) 2002-06-27

Family

ID=22179881

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69415607T Expired - Fee Related DE69415607T2 (en) 1993-06-28 1994-02-22 Process for decolorization of alkanolamines
DE69429197T Expired - Fee Related DE69429197T2 (en) 1993-06-28 1994-02-22 Process for decolorization of alkylene amines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69415607T Expired - Fee Related DE69415607T2 (en) 1993-06-28 1994-02-22 Process for decolorization of alkanolamines

Country Status (8)

Country Link
US (1) US5331102A (en)
EP (2) EP0823415B1 (en)
JP (1) JPH07145114A (en)
KR (1) KR100213597B1 (en)
CN (1) CN1103639A (en)
CA (1) CA2116195C (en)
DE (2) DE69415607T2 (en)
MX (1) MX9401339A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011942A1 (en) * 2000-03-11 2001-09-13 Basf Ag Decolorization of alkanolamines, useful in cosmetics industry e.g. in soap, washing agent or shampoo, or as dispersant or emulsifier, uses phosphorous or hypophosphorous acid or compound in heat treatment and distillation
JP2002220364A (en) * 2001-01-30 2002-08-09 Nippon Shokubai Co Ltd High purity alkanolamine and its producing method
FR2856399A1 (en) * 2003-06-23 2004-12-24 Bp Lavera Snc PROCESS FOR THE PREPARATION OF AN ETHANOLAMINE OF IMPROVED COLOR QUALITY
US7425652B2 (en) * 2005-07-27 2008-09-16 Lyondell Chemical Technology, L.P. Preparation of alkanolamines
DE102008036790B4 (en) * 2008-08-07 2014-05-15 Tmt Tapping-Measuring-Technology Gmbh Tapping channel for the discharge of iron and metal melts and liquid slag from metallurgical containers, such as blast furnaces and furnaces
CN103140468B (en) * 2010-09-29 2016-05-25 陶氏环球技术有限责任公司 The decolouring of amine

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744938A (en) * 1952-07-24 1956-05-08 Universal Oil Prod Co Removal of color impurities from organic compounds
US3207790A (en) * 1961-07-06 1965-09-21 Dow Chemical Co Process for reducing the color of discolored alkanolamines
US3217026A (en) * 1962-02-02 1965-11-09 Gen Mills Inc Removal of metals and color from polymeric secondary amines
US3453183A (en) * 1964-12-29 1969-07-01 Nippon Catalytic Chem Ind Method of purifying ethanolamines
US3428684A (en) * 1966-11-02 1969-02-18 Commercial Solvents Corp Purification of alkanol amines
US3723529A (en) * 1970-10-19 1973-03-27 Jefferson Chem Co Inc Decolorization of polyethylene polyamines
JPS5020047B1 (en) * 1970-12-28 1975-07-11
US3819710A (en) * 1973-01-04 1974-06-25 Olin Corp Process for improving color and color stability of ethanolamines
US4570019A (en) * 1981-02-25 1986-02-11 Union Carbide Corporation Method of preparing polyethylene polyamines having improved color
DE3270350D1 (en) * 1981-02-25 1986-05-15 Union Carbide Corp Method of preparing polyethylene polyamines having improved color
US4827037A (en) * 1985-04-04 1989-05-02 Union Carbide Corporation Quality of catalytically prepared polyalkylene polyamines
US4737243A (en) * 1985-12-16 1988-04-12 The Dow Chemical Company Method for decoloration of triethylenetetramine (TETA)
US4731165A (en) * 1985-12-16 1988-03-15 The Dow Chemical Company Method of decoloration of triethylenetetramine using sulfonic acid ion exchange resins
US4673762A (en) * 1986-05-27 1987-06-16 Texaco Inc. Decolorizing ethanolamines with alkylene oxides
US4970344A (en) * 1987-07-02 1990-11-13 Conoco Inc. Reactivation of spent alkanolamine
US5019653A (en) * 1990-05-14 1991-05-28 Texaco Chemical Company Purification of polyamines derived from polyhydroxyl compounds
ES2067106T3 (en) * 1990-09-24 1995-03-16 Atochem North America PURIFICATION AND DECOLORATION OF INTENSE COLOR ALKYL-ALCANOLAMINES.

Also Published As

Publication number Publication date
DE69415607T2 (en) 1999-06-17
EP0823415A2 (en) 1998-02-11
EP0638544B1 (en) 1998-12-30
EP0823415B1 (en) 2001-11-21
EP0638544A2 (en) 1995-02-15
CA2116195C (en) 1999-12-21
CN1103639A (en) 1995-06-14
DE69415607D1 (en) 1999-02-11
JPH07145114A (en) 1995-06-06
MX9401339A (en) 1997-03-29
EP0823415A3 (en) 1999-09-15
KR100213597B1 (en) 1999-08-02
CA2116195A1 (en) 1994-12-29
DE69429197D1 (en) 2002-01-03
KR950000646A (en) 1995-01-03
EP0638544A3 (en) 1996-09-25
US5331102A (en) 1994-07-19

Similar Documents

Publication Publication Date Title
DE69313709D1 (en) Process for processing diamonds
DE69031480T2 (en) Process for the purification of polyether siloxanes
DE69627613D1 (en) Process for the recovery of substrates
DE69407638D1 (en) Process for fractionating blood material
DE69400257D1 (en) Process for the purification of pentafluoroethane
DE69518680D1 (en) Process for the removal of heteroatoms
DE69621156T2 (en) Process for the hydrogenation of nitriles
DE69409040T2 (en) Process for decolorization of alkanolamines
DE69433634D1 (en) Process for the implementation of hydrocarbons
DE69321296T2 (en) Process for removing scale
DE69621533D1 (en) Process for the recovery of pullulan
DE69301353T2 (en) Process for the recovery of thiocyanate
DE69429197D1 (en) Process for decolorization of alkylene amines
DE69426868T2 (en) Process for the hydrogenation of chlorosilane
DE59107748D1 (en) Process for the purification of fermented riboflavin
DE59304085D1 (en) Process for the purification of indigo
DE59402263D1 (en) Process for the preparation of N-substituted pyrrolid-2-ones
DE59503156D1 (en) Process for working up complex amine hydrofluorides
DE69414793T2 (en) Process for the treatment of plastic glasses
DE59208937D1 (en) Process for the purification of indigo
DE4496393T1 (en) Process for the separation of enantiomers
DE69428006D1 (en) Process for the production of carbocalcitonin
DE69423547D1 (en) Process for filtering thixotropic liquids
DE69509157D1 (en) Process for permanent deformation of keratin substances
DE69429341T2 (en) METHOD FOR TREATING LIQUIDS

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee